EP 2378192 A2 20111019 - Double sided light guide plate manufactured with micro-patterned carrier
Title (en)
Double sided light guide plate manufactured with micro-patterned carrier
Title (de)
Mit mikrogemustertem Träger hergestellte doppelseitige Lichtleitungsplatte
Title (fr)
Plaque de guide lumineux à double face fabriquée avec un support à micro-motifs
Publication
Application
Priority
US 75467710 A 20100406
Abstract (en)
The present invention provides a light guide plate having an input surface for receiving light from a light source, a micro-patterned output surface for emitting light, and a micro-patterned bottom surface opposing to the output surface, made in steps comprising: extruding a resin into the nip between a patterned roller and a patterned carrier film at a nip pressure P1, to form an optical sheet, the optical sheet having a first patterned surface and a second patterned surface, the first patterned surface having a micro-pattern transferred from the patterned roller and the second patterned surface having a micro-pattern transferred from the patterned carrier film, peeling off the patterned carrier film from the optical sheet; and cutting and finishing the said optical sheet into a plurality of double-sided light guide plates having the specified length and width dimensions.
IPC 8 full level
F21V 8/00 (2006.01)
CPC (source: EP KR US)
B29C 43/222 (2013.01 - EP US); B29C 43/265 (2013.01 - EP US); B29C 43/28 (2013.01 - EP US); B29C 48/0011 (2019.01 - EP US); B29C 48/0021 (2019.01 - EP US); G02B 6/00 (2013.01 - KR); G02B 6/0065 (2013.01 - EP US); G02F 1/13 (2013.01 - KR); G02F 1/1335 (2013.01 - KR); B29C 48/0014 (2019.01 - EP US); B29C 48/0022 (2019.01 - EP US); B29C 48/08 (2019.01 - EP US); B29C 48/12 (2019.01 - EP US); B29C 48/13 (2019.01 - EP US); B29C 2043/5076 (2013.01 - EP US); B29L 2011/00 (2013.01 - EP US); B29L 2011/0016 (2013.01 - EP US); B29L 2011/0075 (2013.01 - EP US); G02B 6/0036 (2013.01 - EP US); G02B 6/0078 (2013.01 - EP US)
Citation (applicant)
- US 5885490 A 19990323 - KAWAGUCHI OSAMU [JP], et al
- US 2007052118 A1 20070308 - KUDO JUNICHIRO [JP], et al
- US 2007013100 A1 20070118 - CAPALDO KEVIN P [US], et al
- US 2008122135 A1 20080529 - OKU HISANORI [JP], et al
- WO 2006098479 A1 20060921 - FUJI PHOTO FILM CO LTD [JP], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2378192 A2 20111019; CN 102279432 A 20111214; JP 2011222512 A 20111104; KR 20110112234 A 20111012; TW 201202016 A 20120116; US 2011242850 A1 20111006
DOCDB simple family (application)
EP 11161203 A 20110405; CN 201110146589 A 20110406; JP 2011084085 A 20110405; KR 20110031710 A 20110406; TW 100111781 A 20110406; US 75467710 A 20100406